
*{
    box-sizing: border-box;
}
body{
    margin: 0;
    padding: 0;
}
header nav{

    width: 9rem;
    margin:  0 auto;
    height: 1rem;
    overflow: hidden;
}
header nav span{
    float: left;
    margin-top: -0.35rem;
    margin-left: 0.15rem;
}
header nav span:nth-child(1){
    margin-top: -0.4rem;
    margin-left: 0.1rem;

}
a{
    text-decoration: none;
    font-size: 0.3rem;
}
header nav span:nth-child(1) a{
    color: green;
    font-size: 0.3rem;
}
header nav span:nth-child(2){
    margin-left: 0.1rem;
}

header nav span:nth-child(2) a{
    color: darkred;
}
header nav span:nth-child(3) form input{
    width: 2rem;
    height: 0.5rem;
    margin-left: 0.1rem;
    padding-left: 0.1rem;
    font-size: 0.15rem;
}
.s4{
    margin-left: 1rem;
    color: red;

}
.s4 a{
    color: red;
}
.s5 a{
    color: blue;
}
.s6 a{
    color: magenta;
}
.s7 a{
    color: aqua;
}
.s8 a {
    color: fuchsia;
}
.s9 a{
    color: gold;
}
#log{
    width: 9rem;
    margin: 0 auto;
}
#bk{
    width: 9rem;
    margin: 0 auto;
    /*border: 1px solid red;*/
}
#bk img{
    width: 1.499rem;
    height: 2rem;
    float: left;
}
#bk img:nth-child(1){
    width: 3rem;
}
.clean{
    clear: both;
}
#log>img{
    width: 3rem;
    height: 1.2rem;
}
ul,li,a{
    margin: 0;
    padding:0;
    list-style: none;
}
#log ul{
    width: 9rem;
    height: 0.95rem;
    background-color: aliceblue;
    margin-top: -1.5rem;
}

ul li a {
    font-size: 0.3rem;
}

#log ul li{
    padding-left: 0.35rem;
    text-align: center;
    height: 1rem;
    line-height: 1rem;
    margin-top: -0.2rem;

}
li{
    float: left;
}
.lis{
    margin-left: 3rem;
}
.clean{
    clear: both;
}
#box{
    width: 9rem;
    margin: 0 auto;
    display: flex;
}
.sec{
    width: 3rem;
    height: 2.7rem;
}
.sd{
    width: 3rem;
    margin: 0 auto;
    background-color: ghostwhite;
}
.sd ul{
    width: 3rem;
    margin: 0 auto;

}
.sd ul li {
    float: left;
}
.clean{
    clear: both;
}
.sd ul .lii{
    margin-left: 0.2rem;
}
.sd ul li p{
    font-size: 0.2rem;
}

.sec div .spa {
    width: 3rem;
    height: 0.2rem;
    margin: 0 auto;
    font-size: 0.3rem;
    color: crimson;
    padding-top: 0.2rem;
}
#search{
    width: 3rem;
    height: 0.5rem;
    font-size: 0.3rem;
    color: red;
    padding-left: 0.2rem;
    background-color: ghostwhite;
}
.ser{
    width: 3rem;
    height: 0.3rem;
    text-align: center;
    font-size: 0.3rem;
    color: red;
    opacity: 0;
    animation: move 4s ;
    background-color: ghostwhite;
}
@keyframes move {
   0%{
       opacity: 1;
   }
    100%{
        opacity: 0;
    }
}
.sec1{
    width: 5.5rem;
}
#bacc{
    width: 5.5rem;
    height: 2.8rem;
    background-image: url("../images/28.jpg");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    margin-left: 0.5rem;
}


